Home / 19,618.75-27,073.29-10,666.09

Finding the Fourth Proportional to 19,618.75, 27,073.29 and 10,666.09

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Solution

The fourth proportional to 19,618.75, 27,073.29 and 10,666.09 is: 14,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.75 : 27,073.29 = 10,666.09 : x
  2. Step 2: Convert to fraction form
    19,618.75/27,073.29 = 10,666.09/x
  3. Step 3: Cross multiply
    19,618.75x = 27,073.29 × 10,666.09
  4. Step 4: Simplify right side
    19,618.75x = 288,766,147.74
  5. Step 5: Solve for x
    x = 288,766,147.74/19,618.75
  6. Step 6: Final answer
    x = 14,718.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.